#include<iostream>
#include<cctype>
using namespace std;
string num[10]={"zero","one","two","three","four","five","six","seven","eight","nine"};
int main(){
    char s;
    int sum=0;
    while(isdigit(s=getchar())){
        sum+=s-'0';
    }
    string m=to_string(sum);
    for (int i = 0; i < m.size(); i++)
    {
        if(i>0)cout<<' ';
        cout<<num[m[i]-'0'];
    }
    
}